BMW F30 340i B58 3.0L
Know your exact ethanol content in real-time via the Fuel-It! or JB4 app on your smartphone or tablet.
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Lightweight wheel spacers with a machined tab for easy removal
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Lifetime Replacement
Stop Low Pressure Fuel Pressure Drops at the Source!
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A Must For Cars With Upgraded LPFPs
Lifetime Replacement
Reduce under-steer and body roll!
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This product was last offered at the strikethrough price on
06-13-2026
Lifetime Replacement
Add some design flare to your engine bay!
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Lifetime Replacement
Improve handling & ride quality while installing Dinan performance springs
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MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
07-09-2026
Lifetime Replacement
Two required per valve, necessary for use with certain supertech valves
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Lifetime Replacement
Ideal for custom applications or to eliminate the OEM wear sensor.
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This product was last offered at the strikethrough price on
06-13-2026
Lifetime Replacement
Dyno Proven gains of up to 14 hp and 13 lb-ft. of torque
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Lifetime Replacement
Increase Airflow and throttle response
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Lifetime Replacement
Choose your bottle size to add up to 75hp with this EFI nitrous kit.
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harness for exhaust valves
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MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
07-09-2026
Lifetime Replacement
Pro 5R Factory-Oiled Media for Maximum Performance - Up to 36% increase in Flow
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MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
07-09-2026
Lifetime Replacement
Protect your engine against harmful harmonics at all RPM levels - 10% Underdrive to increase usable horsepower without greatly affecting engine accessories
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Lifetime Replacement
Push-button sound control in the palm of your hand!
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Lifetime Replacement
Perfect fitment. Outflows the factory intake by 28%!
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MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
01-28-2026
Lifetime Replacement
